Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

A background galaxy in the field of the beta Pictoris debris disk

Regibo, S., Vandenbussche, B., Waelkens, C., Acke, B., Sibthorpe, M., Nottebaere, M., Voet, K., Di Francisco, J., Fridlund, M., Gear, Walter Kieran, Ivison, R. J. and Olofsson, G. 2012. A background galaxy in the field of the beta Pictoris debris disk. Astronomy and Astrophysics (541) , A3. 10.1051/0004-6361/201118631

[img]
Preview
PDF - Published Version
Download (1MB) | Preview

Abstract

Herschel images in six photometric bands show the thermal emission of the debris disk surrounding β Pic. In the three PACS bands at 70 μm, 100 μm and 160 μm and in the 250 μm SPIRE band, the disk is well-resolved, and additional photometry is available in the SPIRE bands at 350 μm and 500 μm, where the disk is only marginally resolved. The SPIRE maps reveal a blob to the southwest of β Pic, coinciding with submillimetre detection of excess emission in the disk. We investigated the nature of this blob. Our comparison of the colours, spectral energy distribution and size of the blob, the disk and the background sources shows that the blob is most likely a background source with a redshift between z = 1.0 and z = 1.6.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: stars: early-type ; stars: individual: βPictoris ; planetary systems ; techniques: image processing
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0004-6361/ (accessed 16/04/2014)
Publisher: EDP Sciences
ISSN: 0004-6361
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 03:36
URI: http://orca.cf.ac.uk/id/eprint/23495

Citation Data

Cited 2 times in Scopus. View in Scopus. Powered By Scopus® Data

Actions (repository staff only)

Edit Item Edit Item

Downloads

Downloads per month over past year

View more statistics